JP2013151792A - Roofing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a roofing structure for zigzag roofing with wave-shaped tiles having mountain-valley undulations in a J shape and an S shape.SOLUTION: Two kinds of wave-shaped tiles 1A which are a "valley-mountain type" having a valley portion 2 on the left side and a mountain portion 3 on the right side and wave-shaped tiles 1B which are a "mountain-valley type" having a mountain portion 3 on the left side and a valley portion 2 on the right side are prepared as wave-shaped titles 1. Then a roof surface is overlaid with the "valley-mountain type" wave-shaped titles 1A in a lower stage in a fixed direction and with the "mountain-valley" type wave-shaped titles 1B in an upper stage, stage by stage, so that while the mountain portions 3 and the valley portions 2 of the wave-shaped tiles 1 (1A and 1B) are aligned in a flow direction, the wave-shaped tiles 1 are laid having roofing overlap portions of respective stages zigzag.

Description

  The present invention relates to a roofing structure that winds up a sloped roof surface using corrugated tiles having a mountain valley shape.

  Since ancient times, clay tiles have been widely used as roofing materials for sloped roofs regardless of the architectural style of Japanese and Western. There are various types of clay roof tiles and how to make them. Traditional Japanese shrines and castle buildings have traditionally used a combination of flat roof tiles and round roof tiles. Since the Middle Ages, tiled roofs have gradually spread to ordinary houses. In this process, in order to reduce the weight of the roof and improve the workability, a roof tile (Japanese roof tile) was developed in which a flat roof tile and a round roof tile were integrated. This roof tile has been established as the most common tile roof in Japan since the early modern times.

  In Western-style architecture imported into Japan since the Meiji era, Spanish roof tiles combining upper and lower round tiles were adopted mainly in classical style buildings, just like the Japanese headquarters. Later, S-shaped Western-style roof tiles that integrated the upper and lower round tiles were put into practical use and are still widely used today.

  The roof tile and the S-shaped western tile are simple roof tiles in which a peak is integrally formed on one side of a tile and a valley is integrally formed on the opposite side. Called “tile”. The detailed shape of such corrugated roof tiles, the raining of the rolled up portion, etc. are defined in Japanese Industrial Standard (JIS) A5208 “Clay Wara” (1996) with the names “J shape” and “S shape”, respectively. Yes.

  In Western-style architecture, a roofing method using flat tiles (French tiles) with a roughly rectangular top view and a small surface undulation was also imported. Even now, this flat tile is often used as a roof tile for industrialized houses, and is defined by the name “F type” in the JIS.

  Corrugated roof tiles such as J-shaped and S-shaped tiles usually have vertical tiles (joints) between adjacent tiles so that the peaks and valleys of each tile are continuous in the flow direction of the roof. Aligned and installed. Such a method of squeezing is referred to as “striking” in this specification.

  On the other hand, flat roof tiles such as the F shape are usually installed so that the overlapping portions of adjacent roof tiles are shifted by half the width of the roof tiles for each step. This method of whispering is referred to as “staggered whispering” in this specification. Such a correspondence relationship between the shape of the roof tiles and how to wind is also disclosed in Patent Document 1, for example.

JP 2002-81176 A

JIS Handbook (8) Architecture I Materials and Equipment 2011 Edition Published by Japanese Standards Association

  In a tiled roof, basically, the laterally overlapped portion of each step is the greatest waterproofing weak point. It is required to smoothly flow down rainwater that has entered the soaking portion along the roof flow direction while preventing the rainwater from entering the roof base.

  However, when the roof tiles are lined up, the laterally piled-up portions that are weak points for waterproofing are continuous in the flow direction. There is a risk of overflowing the roof base beyond the flow path width of the part.

  On the other hand, in the case of using the staggered method, the laterally stacked portions of each stage are shifted by half of the tile width in the flow direction. It will flow down and disperse near the center, making it difficult for rainwater to reach the roof. For these reasons, it is generally considered that staggered fire is more advantageous in terms of waterproofing than streaks.

  In addition, the staggering method in which the tiles at each stage are displaced by half the width of the tiles is advantageous in terms of wind resistance as compared with the streaks in which the overlapping portions are aligned in the vertical direction. In addition, in the case of staggering, it is possible to further improve the wind resistance by adopting a structure that attaches a clip near the water upper edge of the lower tile and hooks it on the water lower edge of the upper tile It is.

  In view of such circumstances, the present inventors have examined whether corrugated tiles can be staggered like flat tiles. However, the corrugated roof tiles such as J-shaped and S-shaped are formed integrally with a crest on one side of the tile and a trough on the opposite side. Each trough is not continuous in the direction of the roof flow. Among the flat tiles that can be staggered, there is a type of tile that imitates a corrugated tile-like design by providing a few peaks and valleys on the surface (for example, FIG. 4 of Patent Document 1). The two-cycle ridges and valleys are provided along the width direction so that the cross-sectional shapes of the left half and the right half are substantially congruent, and the upper half It is a way to whip up the mountain part of the right half of. Therefore, it is difficult to form a large mountain valley relief like the original corrugated tile, and there is an unsatisfactory aspect in the roof design expression.

  Therefore, the present invention also applies to flat roof tiles, such as J-shaped and S-shaped roofs, in which corrugated tiles having left-right asymmetric and non-congruent cross-sectional shapes in which one cycle of tiles and valleys are provided on one tile are provided. It provides a roofing structure capable of staggering as well as.

  In order to achieve the above-described object, the roofing structure of the present invention is configured such that a corrugated tile having an asymmetric cross section in which a mountain portion is formed on one half of the width direction and a valley portion is formed on the other half of the width direction. In the roofing structure to be installed on the corrugated roof, the corrugated tile includes a “valley mountain type” corrugated tile in which a valley portion is formed on the left side and a mountain portion on the right side from the water side in the flow direction toward the water side, and the left side There are two types of corrugated roof tiles, “mountain valley type” with a valley formed on the right side, and the “taniyama type” corrugated roof tile is fixed on each level of the roof surface. In the upper stage, the corrugated roof tiles of the “mountain and valley type” are stacked in the same direction as the lower floor stacking direction so that the peaks and valleys of the corrugated roof tiles are aligned in the flow direction. Adopting a configuration with corrugated roof tiles so that the staggered stacks are staggered A.

  Furthermore, the roofing structure of the present invention includes an underlap portion on the same side in the width direction, and an overlap portion on the other side, both of the “taniyama type” corrugated tile and the “mountain valley type” corrugated tile. The structure of comprising is adopted.

  The roofing structure of the present invention enables staggering of corrugated tiles having a left-right asymmetric and non-congruent cross-sectional shape provided with large mountain valley relief. By adopting this roofing structure, it is possible to improve waterproofness and wind resistance compared to conventional roofs that use corrugated tiles, even in buildings that emphasize the heavyness of the roof surface, such as traditional architecture. Can do.

It is a figure which shows the shape of the corrugated roof tile which concerns on embodiment of this invention, Comprising: (1) shows a "Taniyama type" and (2) shows a corrugated roof tile of "Yamatani type". It is a partial top view which shows the tile allocation of the roof surface which staggered the corrugated tile. It is a fragmentary perspective view which shows the overlapping state of the corrugated tile in the said roof surface. It is a schematic sectional drawing of the laterally overlaid part (AA) and (BB) in the said roof surface. It is a schematic sectional drawing of the overlapping part (CC) of the flow direction in the said roof surface.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  The corrugated roof tile 1 shown in FIG. 1 conforms to the roof tile shape defined as “S shape” in JIS. A corrugated roof tile 1A shown in (1) of FIG. 1 is provided with a valley portion 2 on the left side and a peak portion 3 on the right side from the water side in the flow direction toward the water side in the same manner as the conventional S-shaped roof tile. ing. In the present invention, this shape is referred to as “Taniyama type”.

  The corrugated roof tile 1B shown in FIG. 1 (2) has a peak portion 3 on the left side and a trough portion 2 on the right side from the water side in the flow direction to the water side, contrary to the conventional S-shaped roof tile. Is provided. In the present invention, this shape is called “Yamatani type”. More specifically, this shape is not a shape obtained by horizontally inverting the “Taniyama type”, but the boundary between the valley 3 and the mountain 4 is divided at a substantially intermediate portion in the width direction, and the positions thereof It has a shape that replaces the relationship.

  Both the Taniyama type corrugated roof tile 1A and the Yamatani type corrugated roof tile 1B share the same effective width (working width) and dominant foot (working length) of the entire roof tile. The curved shape and the inclined shape are also common. And, like the conventional general F-shaped roof tile, in both types, an underlap portion 4 having a width of several centimeters protrudes from the underwater side toward the upper side of the water on the left edge, and on the right edge, An overlap portion 5 that overlaps the underlap portion 4 is formed. Further, in both types, a water return 6 is raised at the water-side edge of the valley portion 2 and about two nail holes 7 are formed in the vicinity thereof.

  FIG. 2 is a partial top view showing tile allocation of the roof surface in which these two types of corrugated tiles 1 (1A, 1B) are staggered. In this figure, in order to make it easy to understand the arrangement of peaks and valleys, a thin net is attached to the position of the peak portion 3 of each corrugated roof tile 1 (1A, 1B). (In FIG. 2, the ridges 3 are represented by rectangles. However, since the ridges 3 actually overlap each other, each ridge 3 has a fan shape that slightly widens toward the bottom of the water.) These are the fragmentary perspective views which show the overlapping state of the corrugated roof tile 1 (1A, 1B).

  The corrugated roof tiles 1 (1A, 1B) in the illustrated form are sequentially stacked from the right side to the left side in accordance with the direction of the underlap portion 4 at any stage. However, either one of the valley mountain type corrugated roof tiles 1A and the mountain valley type corrugated roof tiles 1B is laid in the same direction over substantially the entire roof width of the stage. Then, on the upper stage, the corrugated roof tiles 1 of a type different from that of the lower stage are stacked with the lower stacking position shifted approximately half the roof tile width.

  FIG. 4 is a schematic cross-sectional view of the laterally stacked portion of the corrugated roof tile 1 at each stage. The A-A cross section shows a rolled-up portion of a valley-mountain type corrugated roof tile 1A, and the BB cross-section shows a rolled-up portion of a mountain-valley type wavy roof tile 1B. As can be understood from these figures, even if the positions of the stacked portions are shifted in a staggered manner for each step, the peaks 4 and valleys 3 of the corrugated roof tiles 1 (1A, 1B) are formed as the entire roof surface. , Each will be aligned in the flow direction.

  FIG. 5 is a schematic cross-sectional view of the overlapping portion in the flow direction. Normally, the vicinity of the upper edge of the lower corrugated tile 1B is nailed by a nail or the like to the tile rail 9 disposed on the roof base 8, and the lower edge of the upper corrugated tile 1A is covered thereon. It is done. As shown in FIG. 3, a clip 10 for holding the water-side edge of the upper corrugated roof tile 1 near the water-side edge of the lower corrugated roof tile 1 may be attached using the nail hole 7. it can.

  Thus, staggering of the corrugated roof tiles 1 is realized by switching the two types of corrugated roof tiles 1 (1A, 1B) to be provided for each stage. Appearance is almost the same as a conventional general roof surface that uses the corrugated tile 1 as a line. Rainwater that has entered the upper tiered stacking part flows down from the center of the corrugated roof tile 1 immediately below it along the valley 2 so that the rainwater flow is difficult to reach and reach the roof base. improves. In addition, since the corrugated roof tiles 1 at each stage are displaced by half of the roof tile width, the wind resistance is improved.

  In addition, although illustration is abbreviate | omitted, about the corrugated roof tile which has a left-right asymmetrical and non-congruent mountain valley shape also about a J-shaped roof tile and others, by preparing two types of corrugated roof tiles which replaced the position of the left and right mountain valleys, said S In the same manner as the corrugated roof tile 1, staggering can be realized. The surface of the valley in the corrugated roof tile does not necessarily have to be curved in a concave shape. As long as the one side portion corresponding to the valley portion is clearly lower than the other side portion corresponding to the mountain portion, the valley portion may be, for example, a substantially flat surface or a loose one inclined surface. The detailed shapes of the underlap portion and the overlap portion of the corrugated roof tile can be modified as appropriate according to the main body shape of the corrugated roof tile.

DESCRIPTION OF SYMBOLS 1 Corrugated roof tile 1A Valley mountain type corrugated roof tile 1B Mountain valley type corrugated roof tile 2 Valley section 3 Mountain section 4 Underlap section 5 Overlap section

Claims (2)

In the roofing structure in which corrugated tiles with asymmetric cross-sections in which a mountain part is formed on one half in the width direction and a valley part is formed on the other half are provided on the sloped roof surface.
The corrugated roof tile has a trough on the left side and a trough on the right side, and a trough on the left side and a trough on the right side. Two types of “Yamatani type” corrugated roof tiles are prepared,
For each step of the roof surface, the “Taniyama type” corrugated tiles are stacked in a certain direction on one step, and the “Yamatani type” corrugated tiles are stacked on the upper step in the same direction as that of the lower steps. By repeating
A roofing structure in which corrugated tiles are installed so that the staggered portions of each step are staggered while aligning the peaks and valleys of the corrugated tiles in the flow direction. In the roofing structure according to claim 1,
Both the “Taniyama type” corrugated roof tile and the “Yamatani type” corrugated roof tile have an underlap portion on the same side in the width direction, and have an overlap portion on the other side. .

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